Refrigerator Problems

We’ve been having a bit of trouble with the refrigerator when we travel. It is a standard residential type that runs off 120 vac. When we’re traveling and disconnected from shore power, it uses a 12v pure sine wave converter to keep it running using the battery. Well it turns out that this setup means that there are a bunch of things that can cause the refrigerator the stop working:

  1. The refrigerator circuit breaker can trip. I’ve not seen this happen yet.
  2. The inverter circuit breaker can trip. This happened yesterday.
  3. The inverter on/off switch located inside the RV can be left off. This has happened at least twice on previous trips.
  4. When running on the generator, one of the two generator output circuit breakers can trip. This has happened a few times in the past, and happened again yesterday.
  5. The battery can run dead. In this case the next item will happen also.
  6. The inverter can shut itself off due to some sort of error. When this happens a beeping sound comes from inside a cabinet at the front of the RV near the king pin. The inverter displays a code to indicate what is causing the problem, but of course it isn’t possible to see that code. So I have to stick my head inside the cabinet, and using my phone’s camera, take a picture of the bottom of the inverter to see what the code is. On a previous trip, a low battery condition caused this to happen. I’ve since replaced the two 100 kWh lead-acid batteries with a single 208 kWh Lithium battery. We haven’t seen that problem since.
  7. Also located on the bottom of the inverter where it cannot be seen is a GFI outlet. This was tripped today. I took a picture of the bottom of the inverter to see if there was any code displayed, and noticed the GFI and reset it. It’s somewhat difficult to take a picture of the LED code, as evidenced by the picture posted below which totally missed the LED.

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